36419993 has 2 divisors, whose sum is σ = 36419994. Its totient is φ = 36419992.

The previous prime is 36419987. The next prime is 36420019. The reversal of 36419993 is 39991463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36385024 + 34969 = 6032^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 36419993 - 2²⁰ = 35371417 is a prime.

It is a Chen prime.

It is a zygodrome in base 16.

It is not a weakly prime, because it can be changed into another prime (36419923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18209996 + 18209997.

It is an arithmetic number, because the mean of its divisors is an integer number (18209997).

Almost surely, 2^36419993 is an apocalyptic number.

It is an amenable number.

36419993 is a deficient number, since it is larger than the sum of its proper divisors (1).

36419993 is an equidigital number, since it uses as much as digits as its factorization.

36419993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 44.

The square root of 36419993 is about 6034.8979278858. The cubic root of 36419993 is about 331.4718249332.

The spelling of 36419993 in words is "thirty-six million, four hundred nineteen thousand, nine hundred ninety-three".